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Finding the Fourth Proportional to 91,857,226.50, 137,738,000.34 and 43,322,047.97

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Solution

The fourth proportional to 91,857,226.50, 137,738,000.34 and 43,322,047.97 is: 64,960,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,857,226.50 : 137,738,000.34 = 43,322,047.97 : x
  2. Step 2: Convert to fraction form
    91,857,226.50/137,738,000.34 = 43,322,047.97/x
  3. Step 3: Cross multiply
    91,857,226.50x = 137,738,000.34 × 43,322,047.97
  4. Step 4: Simplify right side
    91,857,226.50x = 5,967,092,257,332,667
  5. Step 5: Solve for x
    x = 5,967,092,257,332,667/91,857,226.50
  6. Step 6: Final answer
    x = 64,960,509.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.